Notes on islands in asymptotically flat 2d dilaton black holes

Abstract

We study the islands and the Page curve in the 1+1-dimensional eternal dilaton black hole models. Without islands, the entanglement entropy of the radiation grows linearly at late time. However with an island, its growth stops at the value of almost twice of the black hole entropy. Therefore an island emerges at the late time, and the entanglement entropy of the radiation shows the Page curve.

15 pages, 3 figures. v2: name of the black hole corrected. physics unchanged. references added

References in corpus (3)

• Replica Wormholes and the Entropy of Hawking Radiation
• Islands in Schwarzschild black holes
• Page Curve for an Evaporating Black Hole

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